Post Offices
Post Offices in & near Baseline, Montana. Operating hours, locations, phone/fax number, services information.
Centennial Post Office
Centennial Post Office in Billings, Montana on Grant Rd. Operating hours, phone number, services information, and other locations.
Address: 2250 Grant Rd, Billings, MT 59102
Phone: 406-200-6199
Fax: 406-255-6436
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 5:30pmTuesday 8:30am - 5:30pm
Wednesday 8:30am - 5:30pm
Thursday 8:30am - 5:30pm
Friday 8:30am - 5:30pm
Saturday Closed
Sunday Closed
Lobby Hours
Monday 24 hoursTuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Last Collection Times
Monday 5:45pmTuesday 5:45pm
Wednesday 5:45pm
Thursday 5:45pm
Friday 5:45pm
Saturday 10:30am
Sunday Closed